3812149 has 4 divisors (see below), whose sum is σ = 4158720. Its totient is φ = 3465580.

The previous prime is 3812129. The next prime is 3812153. The reversal of 3812149 is 9412183.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3812149 - 2¹⁹ = 3287861 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173269 + ... + 173290.

It is an arithmetic number, because the mean of its divisors is an integer number (1039680).

Almost surely, 2^3812149 is an apocalyptic number.

It is an amenable number.

3812149 is a deficient number, since it is larger than the sum of its proper divisors (346571).

3812149 is a wasteful number, since it uses less digits than its factorization.

3812149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346570.

The product of its digits is 1728, while the sum is 28.

The square root of 3812149 is about 1952.4725350181. The cubic root of 3812149 is about 156.2151999299.

The spelling of 3812149 in words is "three million, eight hundred twelve thousand, one hundred forty-nine".